A sludgy, creepy masterpiece and probably the best record ever to be cursed with the Grunge label, Alice In Chains' Dirt relentlessly explores singer Layne Staley's very real and very disturbing addiction to heroin. Jerry Cantrell's wah-heavy Sabbath riffs trudge through the murk like a brontosaurus and Staley's vocals were never more Morrison-meets-Ozzy.